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<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=503926
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<head>
  <title>Test for Bug 503926</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=503926">Mozilla Bug 503926</a>
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<pre id="test">
<script type="application/javascript">

/** Test for Bug 503926 **/
var passed = true;
var obj = { QueryInterface: function() { passed = false; } };
try { document.body.appendChild(obj); } catch (e) {}
ok(passed, "untrusted QI should not be called!");

</script>
</pre>
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